Crash in ClothModule::CreateOrRecreateCloth(Unity::Cloth, SkinnedMeshRenderer) when you try to add a mesh in Skinned Mesh Renderer to an empty gameObject with a Cloth component

Steps to reproduce:
1. Open the attached project
2. Create an empty gameObject
3. Add the Cloth component to the gameObject
4. Try to add mesh in Skinned Mesh Renderer

Reproduced on: 5.6.1f1
Did not reproduce on: 2017.2.0a4, 2017.1.0f1, 5.6.2f1, 5.5.4p1

Note: only reproducible on OSX